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Installed capacities of distributed generation (DG) are projected to increase substantially in Great Britain and many other power systems. This paper will discuss the definition of capacity value of DG arising from its ability to support additional demand without the need for new network capacity, in analogy with the definition of effective load carrying capability (ELCC) at transmission level. This...
The main objective of power system planning is maintaining an adequate level of reliability. The reliability concept has two characteristics: resource adequacy and operational reliability. Traditionally these two characteristics are addressed separately through a sequence of probabilistic and deterministic analyses without a systematic view. This paper presents a resource planning problem that explicitly...
Planning is vital for the development of power system; and the quality of planning has direct influence on security, reliability and economy of the power system in the future. Therefore, it is urgently needed to study quantitative evaluation method for distribution network planning. Firstly, this paper proposes a practical comprehensive hierarchy and method on evaluation of distribution network planning...
This paper proposes a project prioritizing method for investment decision in electrical energy distribution networks, based on a multi objective genetic algorithm. This problem is associated with the planning of electrical energy distribution networks, involving specifically the projects prioritization for the determination of an optimized indicative plan of investment in a short term horizon. This...
This paper discussed the basic concepts, criteria, procedures and methods in probabilistic transmission planning. The main purpose is to capture probabilistic characteristics in power system planning including uncertainties in load forecast, generator locations, and random failures of system equipment. Two key steps in probabilistic transmission planning are probabilistic reliability evaluation and...
Most electric power utilities utilize probability methods in the planning and operation of generating capacity. Deterministic criteria, however, are usually used in the planning and operation of composite generation and transmission or bulk electric power systems. The most commonly applied deterministic criteria dictate that specific credible outages should not result in system failure. The traditional...
Reliable operation of power system is fundamental to the on-going industry reform. This paper presents the result of marginal power flow evaluation performed on Korean power system for planning mode. It uses two commercial software packages: physical and operational margins (POM V. 2.2) and probabilistic reliability assessment (PRA V. 3.1), respectively. The case studies of Korea power system for...
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